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參數(shù)資料
型號(hào): TS80C31X2-LLAD
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-bit CMOS Microcontroller ROMless
中文描述: 8-BIT, 30 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 9/40頁
文件大?。?/td> 484K
代理商: TS80C31X2-LLAD
Rev. A - Mar. 19, 1999
9
Preliminary
TS80C31X2
6.2 Dual Data Pointer Register Ddptr
The additional data pointer can be used to speed up code execution and reduce code size in a number of
ways.
The dual DPTR structure is a way by which the chip will specify the address of an external data memory
location. There are two 16-bit DPTR registers that address the external memory, and a single bit called
DPS=AUXR1/bit0(SeeTable5.)thatallowstheprogramcodetoswitchbetweenthem(RefertoFigure 3).
Figure 3. Use of Dual Pointer
External Data Memory
AUXR1(A2H)
DPS
DPH(83H) DPL(82H)
0
7
DPTR0
DPTR1
相關(guān)PDF資料
PDF描述
TS80C31X2-LLAR 8-bit CMOS Microcontroller ROMless
TS80C31X2-LLBB 8-bit CMOS Microcontroller ROMless
TS80C31X2-LLBD GT 24C 24#16 PIN PLUG
TS80C31X2-LLBR GT 24C 24#16 SKT PLUG
TS80C31X2-LLCB 8-bit CMOS Microcontroller ROMless
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS80C31X2-LLAR 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-LLBB 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-LLBD 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-LLBR 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-LLCB 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
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